/**
 * 2007-2020 PrestaShop SA and Contributors
 *
 * NOTICE OF LICENSE
 *
 * This source file is subject to the Open Software License (OSL 3.0)
 * that is bundled with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * https://opensource.org/licenses/OSL-3.0
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@prestashop.com so we can send you a copy immediately.
 *
 * DISCLAIMER
 *
 * Do not edit or add to this file if you wish to upgrade PrestaShop to newer
 * versions in the future. If you wish to customize PrestaShop for your
 * needs please refer to https://www.prestashop.com for more information.
 *
 * @author    PrestaShop SA <contact@prestashop.com>
 * @copyright 2007-2020 PrestaShop SA and Contributors
 * @license   https://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
 * International Registered Trademark & Property of PrestaShop SA
 */

const {$} = window;

/**
 * Shows/hides 'include_tax' field depending from 'reduction_type' field value
 */
export default class IncludeTaxFieldVisibilityHandler {
  constructor(sourceSelector, targetSelector) {
    this.$sourceSelector = $(sourceSelector);
    this.$targetSelector = $(targetSelector);
    this.handle();
    this.$sourceSelector.on('change', () => this.handle());

    return {};
  }

  /**
   * When source value is 'percentage', target field is shown, else hidden
   *
   * @private
   */
  handle() {
    if (this.$sourceSelector.val() === 'percentage') {
      this.$targetSelector.fadeOut();
    } else {
      this.$targetSelector.fadeIn();
    }
  }
}
